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Companion 917278080 lawn tractor Parts
Here are the diagrams and repair parts for Companion 917278080 lawn tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for917278080 Riding Mowers & Tractors
Mower lift diagram
Washer
Part #19211621Replaced by #819211621
Manufacturer substitutionThis part replaces 19211621. Substitute parts can look different from the original.This item is not returnableIn Stock$9.26
Qty
Steering assembly diagram
Husqvarna Lawn Tractor Steering Shaft Retainer Clip
Part #175553Replaced by #532175553
Manufacturer substitutionThis part replaces 175553. Substitute parts can look different from the original.In Stock$35.70QtyHydro gear transaxle diagram
Compression
Part #170417Replaced by #583001401
Manufacturer substitutionThis part replaces 170417. Substitute parts can look different from the original.This item is not returnableIn Stock$25.60QtyLawn & Garden Equipment Washer
Part #121748XReplaced by #532121748
Manufacturer substitutionThis part replaces 121748X. Substitute parts can look different from the original.This item is not returnableIn Stock$7.1312% OFF Phone Price : $8.13
QtyDrive diagram
Anti-rotation Bracket
Part #178289Replaced by #532190736
Manufacturer substitutionThis part replaces 178289. Substitute parts can look different from the original.This item is not returnableIn Stock$61.67QtyEngine diagram
Exhaust Tube, Right
Part #160589Replaced by #581881001
Manufacturer substitutionThis part replaces 160589. Substitute parts can look different from the original.In Stock$40.1513% OFF Phone Price : $46.15QtySteering assembly diagram
Husqvarna Lawn Tractor Spacer
Part #136518Replaced by #532136518
Manufacturer substitutionThis part replaces 136518. Substitute parts can look different from the original.In Stock$37.1714% OFF Phone Price : $43.17QtyHydro gear transaxle diagram
Friction Stud
Part #170421Replaced by #50284
Manufacturer substitutionThis part replaces 170421. Substitute parts can look different from the original.In Stock$30.57QtyDrive diagram
Lawn Tractor Hex Bolt
Part #74780416Replaced by #874780416
Manufacturer substitutionThis part replaces 74780416. Substitute parts can look different from the original.This item is not returnableIn Stock$9.26QtyThrottle Screw
Part #171875Replaced by #532189747
Manufacturer substitutionThis part replaces 171875. Substitute parts can look different from the original.In Stock$44.36Qty
Most common symptoms to help you fix your riding mowers & tractors
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly...
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo...
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma...
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, ...
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim...
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun...
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, ...
Main causes: faulty battery, bad alternator...
Main causes: shift lever needs adjustment, neutral control needs adjustment...
Most common repair guides to help fix your riding mowers & tractors
These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.
How to replace the starter solenoid on a riding lawn mower
Replace the starter solenoid if it doesn't click when you turn the ignition key....
Repair time and Difficulty
30 minutes or less
How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in...
Repair time and Difficulty
30 minutes or less
How to replace a riding lawn mower fuel filter
Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up....
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your riding mowers & tractors
Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.
Get answers to frequently asked questions about Sears and Sears PartsDirect....
Learn some of the most common symbols found in a wiring diagram and what they mean....
Learn how to connect cables safely to jump-start your mower’s battery....
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